Brown coat color in Icelandic cattle produced by the loci Extension and Agouti. (1995)

Genetic effects on coat colour in cattle: dilution of eumelanin and phaeomelanin pigments in an F2-Backcross Charolais × Holstein population (2007)

TYRP1 is associated with dun coat colour in Dexter cattle or how now brown cow? (2003)

A nonsense mutation in cGMP-dependent type II protein kinase (PRKG2) causes dwarfism in American Angus cattle (2009)

Deletion in the EVC2 Gene Causes Chondrodysplastic Dwarfism in Tyrolean Grey Cattle (2014)

Genetic and Pathoanatomical Features of the Bovine Prenatal Lethal Chondrodysplasia

Genetic disorders in beef cattle: a review (2017)

Germline mutation within COL2A1 associated with lethal chondrodysplasia in a polled Holstein family (2017)

Lethal chondrodysplasia in a family of Holstein cattle is associated with a de novo splice site variant of COL2A1

Rapid Discovery of De Novo Deleterious Mutations in Cattle Enhances the Value of Livestock as Model Species (2017)

Effect of Kappa-Casein and Beta-Lactoglobulin Loci on Milk Production Traits and Reproductive Performance of Holstein Cows (2005)

Keith Woodford's Blog, A1/A2 tag category

www.betacasein.org

Milk Intolerance, Beta-Casein and Lactose (2015)

Synopsis of "Devil in the Milk" by Dr. Thomas Cowan

www.betacasein.net